Civil Engineering - Theory of Structures - Discussion
Discussion Forum : Theory of Structures - Section 2 (Q.No. 3)
3.
The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is
1.0
Discussion:
12 comments Page 2 of 2.
Songeeta said:
9 years ago
Thank you @Rohit.
Rohit said:
9 years ago
Bending stress = M/Z.
Tensile stress = P/A.
From question,
Bending stress = Tensile stress.
i.e. M/Z = P/A.
M = PL/4.
Z = pi*d^3/32.
A = pi*d^2/4.
After putting these value, we get,
L/d = 1/2.
Tensile stress = P/A.
From question,
Bending stress = Tensile stress.
i.e. M/Z = P/A.
M = PL/4.
Z = pi*d^3/32.
A = pi*d^2/4.
After putting these value, we get,
L/d = 1/2.
(5)
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